4170140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 9676128

約数和(自身を除く): 5505988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 373, 430, 559, 746, 860, 1118, 1492, 1865, 2236, 2795, 3730, 4849, 5590, 7460, 9698, 11180, 16039, 19396, 24245, 32078, 48490, 64156, 80195, 96980, 160390, 208507, 320780, 417014, 834028, 1042535, 2085070, 4170140]

約数ペア:

[(1, 4170140), (2, 2085070), (4, 1042535), (5, 834028), (10, 417014), (13, 320780), (20, 208507), (26, 160390), (43, 96980), (52, 80195), (65, 64156), (86, 48490), (130, 32078), (172, 24245), (215, 19396), (260, 16039), (373, 11180), (430, 9698), (559, 7460), (746, 5590), (860, 4849), (1118, 3730), (1492, 2795), (1865, 2236)]